Nuxeo Studio is losing Date Range aggregate configuration after save

Steps to reproduce:

• In Configuration, go to Page Providers, click on New and name it Search.
• The full text search:
  • Next to Predicates click on Add. A popup window appears.
  • Click on Edit binding and select schema:system > fulltext.
• Next to Aggregates click on Add. A popup window appears.
• Fill the popup window like this:
  • Aggregate Type Date Range
  • Field dc:created
  • Date Ranges

    Label:	Last year	From:	now-1y	To:	now-1M
    Label:	Last month	From:	now-1M	To:	now-7d
    Label:	Last week	From:	now-7d	To:	now-24H
    Label:	Last 24h	From:	now-24H	To:	now

• Save your changes.

• Click on edit icon close to your aggregate

The aggregate configuration is empty.